NordyneメーカーR-410Aの使用説明書/サービス説明書
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Outdoor Heat Pump T w o Stage R-410A Split System User’ s Man ual / Installation Instructions Please read this inf or mation thoroughly and become f amiliar with the capabilities and use of y our appliance bef ore attempting to operate or maintain this unit.
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3 Safety Inf ormation ........................................ 6 Pressures Within the System ..................... 6 Labels, T ags, and Precautions .................... 6 Brazing Operations ..................................... 6 General Information .
4 ABOUT THE HEA T PUMP Y our heat pump is a unique, all weather comf or t- control appliance that will heat and cool your home year round and pro vide energy saving comf or t. It’ s an unknown f act that heat is always in the air , ev en when the outside temperature is below freezing.
5 SYSTEM MAINTENANCE CA UTION: Shut off all electrical power to the unit before perf orming any maintenance or service on the system. Failure to compl y may result in per sonal injury or death.
6 INST ALLER INFORMA TION SAFETY INFORMA TION IMPORT ANT : Saf ety markings are used frequently throughout this manual to designate a degree or le v el of seriousness and should not be ignored. W ARNING indicates a potentially hazardous situation that if not av oided, could result in personal injur y or death.
7 SITE PREP ARA TION Unpacking the Equipment Remov e the shipping car ton and User’ s Manual from the equipment. T ake care not to damage the tubing connections when removing the car ton. Inspect for Dama ge Inspect the equipment f or damage prior to installing the equipment at the job site.
8 • The maximum recommended interconnecting refrigerant line length is 75 f eet, and the vertical ele vation diff erence between the indoor and outdoor sections should not e xceed 20 f eet. • If precise f or ming of refrigerant lines is required, a copper tubing bender is recommended.
9 COPPER WIRE SIZE — A WG (1% V oltage Dr op) Supply Wire Length-Feet Supply Cir cuit Ampacity 200 150 100 50 6 8 10 14 15 46 8 1 2 2 0 46 8 1 0 2 5 44 6 1 0 3 0 34 6 8 3 5 34 6 8 4 0 23 4 6 4 5 23 4 6 5 0 23 4 6 5 5 12 3 4 6 0 Wire Size based on N.
10 again after the discharge pressure decreases to 460 psig. NO TE: When the switch opens and then closes, there will be a 3 min ute shor t cycling dela y bef ore the outdoor unit will energize .
11 FUNCTIONAL CHECK OUTS CA UTION: These units have a crankcase heater factory installed. W ait 24 hours prior to performing a function c heck out to allo w for heating of the compressor crankcase. Failure to compl y ma y result in damage and could cause premature failure of the system.
12 v erify system operation and compatibility with the heat pump . Ref er to the installation instructions f or this equipment and perf or m a functional check out in accordance with the manuf acturer’ s instructions. Indoor Blower 1. T urn the fan mode to ON.
13 • If the REMO VE FOR NO DELA Y jumper is installed, the compressor will energize immediately f ollowing a 30-second dela y . Note : If the Y2 ther mostat input is energized (2 - stage system), the second stage will tur n on. If the abov e steps will not initiate a defrost, replace the defrost board.
14 Cooling Charging Charts Figure 4. Charging Chart for 2 T on Units 250 275 300 325 350 375 400 425 450 475 70 75 80 85 90 95 100 105 110 115 120 125 Liquid T emperature (° F) Liquid Pressure (psig) Remov e refr igerant when abov e cur v e Add refrigerant when below curve Figure 5.
15 Cooling Charging Charts (continued) Figure 6. Charging Chart for 4 T on Units Li q uid T em p erature ( ° F ) Liquid Pressure (psig) 250 275 300 325 350 375 400 425 450 475 500 70 75 80 85 90 95 100 105 110 115 120 12 5 Remov e refr igerant when abov e cur v e Add refrigerant when below curve Figure 7.
16 Heating Charging Chart Figure 8. Heating Charging Chart Liquid T emperature (° F) Liquid Pressure (psig) 200 225 250 275 300 325 350 375 400 50 55 60 65 70 75 80 85 90 Remov e refr igerant when ab.
17 Status LED Status LED Description Status LED T r oubleshooting Information Green “PO WER” Module has power Supply v oltage is present at module ter minals Red “TRIP” Thermostat demand signa.
18 Status LED Status LED Description Status LED T r oubleshooting Information Y ellow “ALER T” Flash Code 3 Shor t Cycling / Compressor is running only briefl y • Ther mostat demand signal is i.
19 T able 5. Module Wiring T roub leshooting Miswired Module Indication Recommended T roubleshooting Action Green LED is not on, module does not pow er up • Deter mine if both R & C module ter minals are connected. • V er ify voltage is present at module’ s R & C ter minals.
INST ALLER: PLEASE LEA VE THESE INST ALLA TION INSTR UCTIONS WITH THE HOMEO WNER. 708868A (Replaces 7088680) Specifi cations and illustr ations subject to change without notice t incurring obligations.
デバイスNordyne R-410Aの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Nordyne R-410Aをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはNordyne R-410Aの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Nordyne R-410Aの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Nordyne R-410Aで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Nordyne R-410Aを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はNordyne R-410Aの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Nordyne R-410Aに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちNordyne R-410Aデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
